2019923440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1328897}}^1$

素因数の和:1328929

約数の個数: 40

約数和(自身を含む): 4943500560

約数和(自身を除く): 2923577120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1328897, 2657794, 5315588, 6644485, 10631176, 13288970, 21262352, 25249043, 26577940, 50498086, 53155880, 100996172, 106311760, 126245215, 201992344, 252490430, 403984688, 504980860, 1009961720, 2019923440]

約数ペア:

[(1, 2019923440), (2, 1009961720), (4, 504980860), (5, 403984688), (8, 252490430), (10, 201992344), (16, 126245215), (19, 106311760), (20, 100996172), (38, 53155880), (40, 50498086), (76, 26577940), (80, 25249043), (95, 21262352), (152, 13288970), (190, 10631176), (304, 6644485), (380, 5315588), (760, 2657794), (1520, 1328897)]